import { Node, Vec3 } from "cc";
import { ecs } from "../../../../extensions/oops-plugin-framework/assets/libs/ecs/ECS";
import { HeroViewComp } from "../hero/HeroViewComp";
import { HeroSkillsComp } from "./heroSkillsComp";
import { endType, SkillSet, TargetGroup, TargetType } from "../common/config/SkillSet";
import { CdType } from "../common/config/SkillSet";
import { oops } from "db://oops-framework/core/Oops";
import { GameEvent } from "../common/config/GameEvent";
import { Skill } from "../skills/Skill";
import { SkillCom } from "../skills/SkillCom";
import { AnimType } from "../common/config/SkillSet";


/** 技能系统 */
@ecs.register('SkillSystem')
export class SkillSystem extends ecs.ComblockSystem implements ecs.ISystemUpdate {
    private _timers: { [key: string]: number } = {};
    private _damageQueue: Array<{ timer: number; callback: () => void }> = [];
    private readonly SKILL_RANGE_X = 10;  // x轴判定范围
    private readonly SKILL_RANGE_Y = 10;  // y轴判定范围
    init(): void {
        oops.message.on(GameEvent.MissionEnd, this.clear_timer, this);
    }
    filter(): ecs.IMatcher {
        return ecs.allOf(SkillCom);
    }


    update(e: ecs.Entity) {
        const skill = e.get(SkillCom);
        if(this.checkSkill(skill)){
            if(skill.atk_count < 1){
                skill.atk_count++;
                // console.log("技能命中目标",skill.caster,skill.target,SkillSet[skill.s_uuid]);
                this.applySkillEffect(skill.caster,skill.target,SkillSet[skill.s_uuid],e);
            }
        }
        this.processDamageQueue();
        
    }

    private processDamageQueue() {
        const delta = this.dt;
        for (let i = this._damageQueue.length - 1; i >= 0; i--) {
            this._damageQueue[i].timer -= delta;
            if (this._damageQueue[i].timer <= 0) {
                this._damageQueue[i].callback();
                this._damageQueue.splice(i, 1);
            }
        }
    }
    checkSkill(skill: SkillCom) {
        const targetPos = skill.target.node.position;
        const target = skill.target;
        const skillPos = skill.node.position;
        // 根据技能配置获取判定范围
        const config = SkillSet[skill.s_uuid];
        const rangeX = config?.rangeX || 30;  // 默认值为10
        const rangeY = config?.rangeY || 40;
        const distanceX = Math.abs(targetPos.x - skillPos.x);
        const distanceY = Math.abs(targetPos.y+40 - skillPos.y);
        const isInRange = distanceX < rangeX && distanceY < rangeY;
        return isInRange;
    }
  /** 应用技能效果 */
  private applySkillEffect(casterView:HeroViewComp, targetView: HeroViewComp, config: typeof SkillSet[keyof typeof SkillSet],e:ecs.Entity) {
    // 直接计算伤害（包含防御减免）
    const damageResult = this.calculateDamage(casterView, targetView, config);
    // 将施法者传入applyDamage方法
    this.applyDamage(targetView,damageResult);
    // 播放技能特效
    casterView.playSkillEffect(config.uuid);
    console.log(`${casterView.hero_name} 对 ${targetView.hero_name} 造成 ${damageResult.value}伤害`);
    if(config.endType === endType.collision){
        e.destroy();
    }
}

private calculateDamage(caster: HeroViewComp, target: HeroViewComp, config: typeof SkillSet[keyof typeof SkillSet]) {
    const result = {
        value: 0,
        isCrit: false,
        isDodged: false,
        delay: 0.3, // 默认延迟
        ignoreDefense: false,
        canCrit: true,
    }
    let final = caster.ap * config.ap / 100;
    // 伤害浮动（±10%）
    const damageFloat = 0.9 + Math.random() * 0.2; // 0.9~1.1
    final *= damageFloat;
    final = Math.round(final);
    result.value = Math.max(1, final); // 确保最小伤害为1
    result.isCrit = false;
    return result;
}

private applyDamage(targetView: HeroViewComp, result: any,) {;

    this._damageQueue.push({
        timer: 0,
        callback: () => {
            if (!targetView?.ent.has(HeroViewComp)) return;
            
            let remainingDamage = result.value;
            if (targetView.shield > 0) {
                const shieldAbsorb = Math.min(targetView.shield, remainingDamage);
                targetView.shield -= shieldAbsorb;
                remainingDamage -= shieldAbsorb;
                
                if (targetView.shield <= 0) {
                    targetView.BUFFCOMP.show_shield(false);
                }
            }
            
            if (remainingDamage > 0) {
                targetView.hp -= remainingDamage;
                if(targetView.hp <= 0) {
                    targetView.BUFFCOMP.dead()
                    targetView.to_grave();
                }
                targetView.showDamage(result.value, true);
            } else {
                targetView.BUFFCOMP.tooltip(5,"*吸收*");
            }
        }
    });
}
   

    public clear_timer() {
        console.log("clear_timer");
        Object.values(this._timers).forEach(clearTimeout);
    }
    onDestroy() {
        Object.values(this._timers).forEach(clearTimeout);
    }


    /** 应用负面状态 */
    private applyDebuff(target: ecs.Entity, config: typeof SkillSet[keyof typeof SkillSet]) {
        // 实现debuff逻辑...
    }

}